Can't fetch zaptel distribution

I'm trying to build Asterisk on FreeBSD from ports with a
freshly
updated ports tree.  When building zaptel, I get:

--->  Installing 'zaptel-1.4.6_4' from a port
(misc/zaptel)
--->  Building '/usr/ports/misc/zaptel'
===>  Cleaning for zaptel-1.4.6_4
===>  Vulnerability check disabled, database not found
=> zaptel-bsd-1.4.6.tar.gz doesn't seem to exist
in /usr/ports/distfiles/.
=> Attempting to fetch from http://www.pbxpress.
com/~gonzo/.
fetch: http://www.api-digital.c
om--

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